Cruise reports from the marine monitoring

Reports from SMHI's regular marine monitoring programme. Data presented in the reports have been subject to preliminary quality control procedures only.

Cruise report from R/V Aranda week 28-29, 2017

Oxygen concentrations close to zero were observed in the deep water everywhere in the Baltic Proper except for in the Arkona Basin. Anoxic conditions, when hydrogen sulphide forms, were measured in the Western Gotland Basin from about 80 metres depth, in the Eastern Gotland Basin nearest the bottom …

 
Type: Report
Author: Karin Wesslander
Published: Jul, 2017
Published: Last updated:

Cruise report from R/V Aranda week 24-25, 2017

Oxygen concentrations close to zero were observed in the deep water everywhere in the Baltic Proper except for in the Arkona Basin. Anoxic conditions, when hydrogen sulphide forms, were measured in the Western Gotland Basin from about 80 metres depth, in the Eastern Gotland Basin, but only at BY15 …

 
Type: Report
Author: Örjan Bäck, Martin Hansson
Published: Jun, 2017
Published: Last updated:

Cruise report from R/V Aranda week 20-21, 2017

Oxygen concentrations close to zero were found in many parts of the Baltic Proper. Anoxic conditions, when hydrogen sulfide forms, were measured in the Western Gotland Basin from about 80 metres depth and in the Eastern Gotland Basin but only at BY15 Gotland Deep close to the bottom. Areas with …

 
Type: Report
Author: Örjan Bäck
Published: May, 2017
Published: Last updated:

Cruise report from R/V Aranda week 16-17, 2017

In large parts of the deep water in the Baltic Proper the oxygen concentrations were close to zero. Completely oxygen free conditions, when hydrogen sulfide is measured, was found in the Western Gotland Basin from 90 meters depth and in the Eastern Gotland Basin, but then only in the Gotland Deep …

 
Type: Report
Author: Anna-Kerstin Thell
Published: May, 2017
Published: Last updated:

Cruise report from R/V Dana week 3-5, 2017

The expedition was included within SLU:s International Bottom Trawl Survey and covered the Skagerrak and the Kattegat. Mapping of winter nutrient conditions was performed in the Skagerrak and 12 stations with complete hydrography were sampled, 3 ordinary SMHI stations were sampled due to a storm …

 
Type: Report
Author: Anna-Kerstin Thell
Published: Mar, 2017
Published: Last updated:

Cruise report from R/V Aranda week 10-11, 2017

In large parts of the deep water in the Baltic Proper the oxygen concentrations were close to zero. Completely oxygen free conditions, when hydrogen sulfide is measured, was found in the Western Gotland Basin from 100 meters depth and in the Eastern Gotland Basin but then only in the Gotland Deep …

 
Type: Report
Author: Martin Hansson
Published: Mar, 2017
Published: Last updated:

Cruise report from R/V Aranda week 6-7, 2017

All nutrients in the surface water were generally normal for the season, except in the Baltic Proper where concentrations of silicate were higher or much higher than normal. The surface water temperature was normal for the season except in the Skagerrak where it was colder. The surface salinity was …

 
Type: Report
Author: Anna-Kerstin Thell
Published: Feb, 2017
Published: Last updated:

Cruise report from R/V Aranda week 1-2, 2017

In large parts of the deep water in the Baltic Proper the oxygen concentrations were close to 0 ml/l and the concentrations of hydrogen sulphide were lower than the expedition in December. In the northern part of the Western Gotland Basin (BY31) hydrogen sulphide was found from 175 meters, and in …

 
Type: Report
Author: Karin Wesslander
Published: Jan, 2017
Published: Last updated:

Cruise report from R/V Aranda week 49-50, 2016

In large parts of the deep water in the Baltic Proper the oxygen concentrations were found to be around 0 ml/l, but no high concentrations of hydrogen sulphide was found. Though, in the Western Gotland Basin, hydrogen sulphide was found from depth exceeding 80 meters. Acute hypoxia, < 2 ml/l was …

 
Type: Report
Author: Martin Hansson
Published: Dec, 2016
Published: Last updated:

Cruise report from R/V Aranda week 46, 2016

The temperature in the surface water was now normal or slightly lower than normal for the season. The salinity showed normal values except in the eastern part of Skagerrak, the Sound and the Gotland Deep (station BY15) where the salinity was above normal. The nutrient concentration in the surface …

 
Type: Report
Author: Anna-Kerstin Thell
Published: Dec, 2016
Published: Last updated:

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